Home / 101,148,009.50-139,584,692.88-54,738,267.53

Finding the Fourth Proportional to 101,148,009.50, 139,584,692.88 and 54,738,267.53

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Solution

The fourth proportional to 101,148,009.50, 139,584,692.88 and 54,738,267.53 is: 75,539,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,148,009.50 : 139,584,692.88 = 54,738,267.53 : x
  2. Step 2: Convert to fraction form
    101,148,009.50/139,584,692.88 = 54,738,267.53/x
  3. Step 3: Cross multiply
    101,148,009.50x = 139,584,692.88 × 54,738,267.53
  4. Step 4: Simplify right side
    101,148,009.50x = 7,640,624,261,260,402
  5. Step 5: Solve for x
    x = 7,640,624,261,260,402/101,148,009.50
  6. Step 6: Final answer
    x = 75,539,047.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.